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Finding the Third Proportional to 16,632 and 36,396

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Solution

The third proportional to 16,632 and 36,396 is: 79,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632 : 36,396 = 36,396 : x
  2. Step 2: Convert to fraction form
    16,632/36,396 = 36,396/x
  3. Step 3: Cross multiply
    16,632x = 36,396 × 36,396
  4. Step 4: Simplify right side
    16,632x = 1,324,668,816
  5. Step 5: Solve for x
    x = 1,324,668,816/16,632
  6. Step 6: Final answer
    x = 79,645.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.